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List of 72 Serial Killers
Sorted by the killers IQ Level

IQ - An intelligence quotient (IQ) is a total score derived from several standardized tests designed to assess human intelligence.

This list of serial killers has been sorted by the killers IQ Level.

Confirmed Victims: the number of victims killed in association with a killers serial spree. Some serial killers may have other possible victims that were either unproven or the killers motives and/or methods were unrelated to the spree the killer is being documented as.

Page 2 of 5 ( 72 Killers )


#16

Joel Rifkin
The Drifter, Joel the Ripper

129

IQ Level

#17

Randy Steven Kraft
The Freeway Killer, The Scorecard Killer

129

IQ Level

#18

Paul John Knowles
Casanova Killer, Lester Daryl Gates

129

IQ Level

#19

John Christie
The Rillington Place Strangler

128

IQ Level

#20

Mike DeBardeleben
The Mall Passer

127

IQ Level

#21

Jiri Straka
The Spartakiad killer

125

IQ Level

#22

David Carpenter
The Trailside Killer

125

IQ Level

#23

John Joubert
The Nebraska Boy Snatcher

123

IQ Level

#24

Michael Bruce Ross
The Roadside Strangler

122

IQ Level

#25

Montie Rissell
Monte

120

IQ Level

#26

Patrick McCullough
The Deaf Serial Killer

120

IQ Level

#27

Lesley Warren
The Babyface Killer

120

IQ Level

#28

Todd Kohlhepp
Superbike Murders

118

IQ Level

#29

John Wayne Gacy
Pogo the Clown, The Killer Clown

118

IQ Level

#30

Wayne Adam Ford

117

IQ Level

Page 2 of 5 ( 72 Total )

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Killer.Cloud the Serial Killer Database The Serial Killer Database

Killer.Cloud the Serial Killer Database, an ongoing research project which aims to sort and classify serial killers based on documented references from books written about serial killers as well as other online resources listed at the bottom of each killers profile page. View our most recent profiles on the list of recent serial killers, includes serial killers active between 2015 and 2025. To report an error or for general information you can find us on Twitter: @killerDOTcloud or Facebook: /killerDOTcloud

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